July Weather in Oakville, United States

Last updated: June 24, 2025

In Oakville, United States, the average temperature in July hovers around 17°C (63°F), with a minimum of 8°C (46°F) and a maximum reaching 35°C (95°F). Expect some light rains, as the area experiences about 11 mm (0.4 in) of precipitation over 3 days. Additionally, the average humidity stands at a comfortable 82%, creating a pleasant atmosphere throughout the month.

July Temperature in Oakville

In July in Oakville, the average temperature is 17°C (63°F). Maximums can reach 35°C (95°F), and minimums can be as low as 8°C (46°F). This makes it a perfect time for travelers to enjoy a mix of warm days and cooler evenings, ideal for exploring the sights.

July Weather in Oakville: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Oakville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oakville, July typically has an average temperature of 17°C (63°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (46°F).

Data source: Temperature data for Oakville generated using information from the Copernicus Climate Change Service.

July Precipitation in Oakville

In Oakville in July, the precipitation amount is 11 mm (0.4 in) over the course of 3 days.

July Precipitation Trends in Oakville

The chart displays monthly precipitation patterns in Oakville, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Oakville, July typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Oakville

In Oakville in July, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.

July Average Humidity in Oakville

This chart illustrates the average monthly humidity levels in Oakville, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Oakville is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Oakville

In Oakville in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Oakville.

Maximum UV Index Levels in Oakville for July

The chart shows the monthly maximum UV Index (UVI) for Oakville in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Oakville typically reaches 9, which falls under the very high exposure category.

Data source: Oakville July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Oakville Compares to Other Months

Weather in Oakville varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Oakville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Oakville, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	205 mm (8.1 inches)	86%	low
February Weather	4°C (40°F)	171 mm (6.7 inches)	84%	moderate
March Weather	6°C (44°F)	142 mm (5.6 inches)	85%	moderate
April Weather	9°C (49°F)	122 mm (4.8 inches)	83%	high
May Weather	12°C (55°F)	75 mm (2.9 inches)	84%	very high
June Weather	15°C (59°F)	57 mm (2.2 inches)	84%	very high
July Weather	17°C (63°F)	11 mm (0.4 inches)	82%	very high
August Weather	18°C (64°F)	13 mm (0.5 inches)	73%	very high
September Weather	15°C (60°F)	90 mm (3.5 inches)	74%	high
October Weather	10°C (50°F)	137 mm (5.4 inches)	83%	moderate
November Weather	7°C (45°F)	198 mm (7.8 inches)	86%	moderate
December Weather	4°C (40°F)	210 mm (8.3 inches)	87%	low